I am afraid to say that I pulled rank .

我恐怕得说，我滥用了职权。

It is hard to float when you are afraid .

你要是感到害怕的话就很难漂在水面上。

The answer seems to be that washington remains deathly afraid of the n-word - nationalization .

答案似乎是，美国政府仍然对n开头的那个词国有化（nationalization）是死怕死怕的。

I am afraid he still sees medicine as a science .

恐怕他还将医学看作是一门科学。

I 'm afraid you face five major ones .

我想，恐怕你将面临以下五大问题。